import requests

url = "https://www.ems.com.cn/pc/login/index"

querystring = {"_url":"LyMv","from":"emsnew"}

headers = {
    'user-agent': "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.150 Safari/537.36",
    'Host': "www.ems.com.cn",
    'Referer': "https://www.ems.com.cn/pc/main/new",
    'Cookie': "SESSION=f4538ad0-ad3e-432a-9b25-dfbe74e59288",
    'Cache-Control': "no-cache",
    'Postman-Token': "193fcb68-4a42-431f-a265-f5a6d52f7c7f"
    }

response = requests.get(url,headers=headers, params=querystring)
print(response.headers['Set-Cookie'])
# print(response.text)